The DEV 2155 from DEV Systemtechnik is a RF Distribution System with Frequency 800 MHz to 2.45 GHz, Input Power -10 dBm, Output Power 10 dBm, Voltage 13 to 18 V, Insertion loss ±1.5 dB. Tags: Rack Mount, Signal Distribution. More details for DEV 2155 can be seen below.